Dynamic Behavior of Full-Scale Wood Diaphragmsby Rafik Y. Itani, Washington State Univ, Pullman, WA, USA,
Robert H. Falk, Washington State Univ, Pullman, WA, USA,
Abstract: Experimental testing of full-scale wood diaphragms has been performed at Washington State University to determine basic dynamic properties. Ten diaphragms, including walls, floors, and ceilings have been structurally tested for frequency, damping, stiffness, and strength characteristics. Static test results provide nonlinear stiffness characteristics, while free vibration tests yield damping ratios and natural frequencies. Experimental test results serve to verify a developed analytical model used to predict the response of wall, floor and ceiling diaphragms. This general finite element computer model accounts for the nonlinear behavior of nail fasteners, variable geometry of wood panels, and the effects of openings.
Subject Headings: Diaphragms (structural) | Model tests | Computer models | Wood | Damping | Stiffening | Dynamic analysis | Full-scale tests
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